<template>
    <div class="shopcar-container">
        <div class="goods-list">

        
            <!-- 商品列表项区域 -->
            <div class="mui-card" v-for="(item,i) in goodsList" :key="item.id">
                <div class="mui-card-content">
                    <div class="mui-card-content-inner">
                    <mt-switch 
                        @change="selectedChange(item.id,$store.getters.getGoodsSelected[item.id])"
                        v-model="$store.getters.getGoodsSelected[item.id]">
                    </mt-switch>
                    <img :src="item.img"/>
                    <div class="info">
                        <h1>{{item.title}}</h1>
                        <p>
                            <span class="price">￥{{item.price}}</span>
                            <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
                            <!-- 问题：如何从购物车中获取商品的数量呢 -->
                            <!-- 1.我们可以先创建一个空对象，然后循环购物车中所有的商品的数据，把当前循环这条
                            商品的ID,作为对象的属性名，count值作为对象的属性值，这样，当把所有的商品循环一遍，就会
                            得到一个对象：{88:2, 89:1, 90:4} -->
                            <a href="#" @click.prevent="remove(item.id,i)">删除</a>
                        </p>
                    </div>
                    </div>
                </div>
            </div>
            <!-- 结算区域 -->
            <div class="mui-card">
                <div class="mui-card-content">
                    <div class="mui-card-content-inner jiesuan">
                        <div class="left">
                            <p>总计（不含运费）</p>
                            <p>已勾选商品<span class="red">{{$store.getters.getGoodsCountAndAmount.count}}</span>件，总价：<span class="red">￥{{$store.getters.getGoodsCountAndAmount.amount}}</span></p>
                        </div>
                        <mt-button type="primary">去结算</mt-button>
                    </div>
                </div>
            </div>
        </div>

    </div>
</template>
<script>
import numbox from '../subcomponents/shopcar_numbox.vue'
export default {
    data(){
        return{
            goodsList:[],
            totalCount:0,
            totalPrice:0
        }
    },
    created(){
        this.getGoodsList()
    },
    methods:{
        getGoodsList(){
            var idArr = []
            this.$store.state.car.forEach(element => {
                idArr.push(element.id)
            });
            console.log('len',idArr.length)
            if(idArr.length <=0 ){
                return
            }
            //var data = require('../../data/imgcategory.json')
            const data = require("../../data/shopcardata.json")
            console.log('data',data)
            this.goodsList = data.message
        },
        remove(id,index){
            //点击删除，把商品从store中根据传递的ID删除，同时，把当前组件中 goodslist中，对应要删除的那个商品，使用index来删除
            this.goodsList.splice(index,1)
            this.$store.commit("removeFromCar",id)
        },
        selectedChange(id, val){
            //每当点击开关，把最新的开关状态，同步到store中
            //console.log(id+'---'+val)
            this.$store.commit("updateGoodsSelected",{id, selected: val})
        }
    },
    components:{
        numbox
    }
}
</script>
<style lang="scss" scoped>
.shopcar-container{
    background-color: #eee;
    overflow: hidden;
    .mui-card-content-inner{
        padding:10px;
    }
    .goods-list{
        .mui-card-content-inner{
            display: flex;
            align-items: center;
        }
        img{
            width:60px;
            height: 60px;
        }
        h1{
            font-size:13px;
        }
        .info{
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            .price{
                color:red;
                font-weight: bold;
            }
        }
    }
    .jiesuan{
        display: flex;
        justify-content: space-between;
        align-items: center;
        .red{
            color:red;
            font-weight: bold;
            font-size:16px;
        }
    }
}
</style>


